FR2448061A1 - Perfectionnements aux verins de cintreuse hydraulique a simple effet - Google Patents

Perfectionnements aux verins de cintreuse hydraulique a simple effet

Info

Publication number
FR2448061A1
FR2448061A1 FR7902698A FR7902698A FR2448061A1 FR 2448061 A1 FR2448061 A1 FR 2448061A1 FR 7902698 A FR7902698 A FR 7902698A FR 7902698 A FR7902698 A FR 7902698A FR 2448061 A1 FR2448061 A1 FR 2448061A1
Authority
FR
France
Prior art keywords
hydraulic ram
plunger pump
acting hydraulic
bending press
single acting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7902698A
Other languages
English (en)
Other versions
FR2448061B1 (fr
Inventor
Jean-Marie Rene Tandart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Virax SA
Original Assignee
Virax SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Virax SA filed Critical Virax SA
Priority to FR7902698A priority Critical patent/FR2448061A1/fr
Publication of FR2448061A1 publication Critical patent/FR2448061A1/fr
Application granted granted Critical
Publication of FR2448061B1 publication Critical patent/FR2448061B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

VERIN HYDRAULIQUE A SIMPLE EFFET DESTINE NOTAMMENT A EQUIPER DES CINTREUSES HYDRAULIQUES POUR TUBES, BARRES OU PROFILES. CE VERIN EST NOTAMMENT CARACTERISE EN CE QUE LES CIRCUITS D'HUILE SONT DETERMINES DE FACON A CE QU'IL N'Y AIT AUCUN BOUCHON SUR LE CIRCUIT HAUTE PRESSION. DE TELS VERINS SONT NOTAMMENT UTILISES POUR LE CINTRAGE DES PROFILES, TUBES ET BARRES UTILISES EN PLOMBERIE, SERRURERIE, METALLERIE.
FR7902698A 1979-01-30 1979-01-30 Perfectionnements aux verins de cintreuse hydraulique a simple effet Granted FR2448061A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7902698A FR2448061A1 (fr) 1979-01-30 1979-01-30 Perfectionnements aux verins de cintreuse hydraulique a simple effet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902698A FR2448061A1 (fr) 1979-01-30 1979-01-30 Perfectionnements aux verins de cintreuse hydraulique a simple effet

Publications (2)

Publication Number Publication Date
FR2448061A1 true FR2448061A1 (fr) 1980-08-29
FR2448061B1 FR2448061B1 (fr) 1984-07-06

Family

ID=9221515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902698A Granted FR2448061A1 (fr) 1979-01-30 1979-01-30 Perfectionnements aux verins de cintreuse hydraulique a simple effet

Country Status (1)

Country Link
FR (1) FR2448061A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515993A1 (fr) * 1981-11-12 1983-05-13 Virax Sa Perfectionnements aux cintreuses hydrauliques
FR2524829A1 (fr) * 1982-04-08 1983-10-14 Virax Sa Perfectionnements aux verins de cintreuses hydrauliques a double effet
CN108266429A (zh) * 2018-03-04 2018-07-10 太原理工大学 一种油水分离水液压静力平衡密封与润滑柱塞

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1001604A (fr) * 1946-06-06 1952-02-26 Perfectionnements apportés aux cintreuses hydrauliques
FR1025005A (fr) * 1950-08-07 1953-04-09 Cintreuse à tube
GB700422A (en) * 1951-07-19 1953-12-02 Augustus George Chamberlain Improvements in or relating to tube-bending machines
FR2306027A1 (fr) * 1975-04-03 1976-10-29 Mec Flli Caporuss Off Appareil hydraulique portable a commande manuelle pour cintrer les tubes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1001604A (fr) * 1946-06-06 1952-02-26 Perfectionnements apportés aux cintreuses hydrauliques
FR1025005A (fr) * 1950-08-07 1953-04-09 Cintreuse à tube
GB700422A (en) * 1951-07-19 1953-12-02 Augustus George Chamberlain Improvements in or relating to tube-bending machines
FR2306027A1 (fr) * 1975-04-03 1976-10-29 Mec Flli Caporuss Off Appareil hydraulique portable a commande manuelle pour cintrer les tubes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515993A1 (fr) * 1981-11-12 1983-05-13 Virax Sa Perfectionnements aux cintreuses hydrauliques
FR2524829A1 (fr) * 1982-04-08 1983-10-14 Virax Sa Perfectionnements aux verins de cintreuses hydrauliques a double effet
CN108266429A (zh) * 2018-03-04 2018-07-10 太原理工大学 一种油水分离水液压静力平衡密封与润滑柱塞
CN108266429B (zh) * 2018-03-04 2023-10-27 太原理工大学 一种油水分离水液压静力平衡密封与润滑柱塞

Also Published As

Publication number Publication date
FR2448061B1 (fr) 1984-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse